The term "promptbook" refers to a written record of a play or film production, which includes the actors' lines, stage directions, and technical cues. Some synonyms for this term include script, playbook, production book, and rehearsal copy. These terms are all used to describe the same essential document that serves as a blueprint for the performance. The promptbook is crucial for the smooth execution of a production, ensuring that everyone involved is on the same page and has a clear understanding of the vision for the show. Whether you call it a script, playbook, production book, or rehearsal copy, the promptbook remains an indispensable tool for every theatrical or film production.